Device User Agent Parser API

Device User Agent Parser API

The Device User Agent Parser API identifies and extracts information from user-agent strings, aiding in device detection and user experience optimization.

API description

About the API:  

The Device User Agent Parser API designed to parse and interpret user agent strings, providing valuable information about the devices, browsers and operating systems used by website visitors. In today's digital landscape, where online experiences vary across devices and platforms, understanding user agent data is essential to optimizing web content and ensuring a smooth user experience.

In essence, the Device User Agent Parser API simplifies the process of parsing user agent strings, which are HTTP headers sent by web browsers and other HTTP clients to identify themselves to web servers. These strings contain valuable information about device type, browser version, operating system and other relevant attributes, allowing developers to tailor their web content accordingly.

The API parses user agent strings precisely, extracting key details such as device type (e.g. desktop, mobile, tablet), browser name and version (e.g. Chrome, Firefox, Safari), operating system (e.g. Windows, macOS, Android, iOS) and device manufacturer (e.g. Apple, Samsung, Google). This information provides developers with valuable information about the devices and platforms used by their users to access their websites or applications.

By leveraging the information provided by the Device User Agent Parser API, developers can optimize their web content and user experience in a number of ways. For example, they can dynamically adjust the layout and design of their websites to ensure compatibility and usability across different devices and screen sizes. They can also customize the functionality and features of their applications based on the capabilities of the user's device and browser.

Overall, the Device User Agent Parser API is a valuable tool for users looking to optimize their web content, improve user experience and gain actionable insights into their audience's device usage patterns. Whether used for website optimization, analytics or strategic decision making, the API enables organizations to deliver personalized and seamless digital experiences across a wide range of devices and platforms.


What this API receives and what your API provides (input/output)?

It will receive a parameter and provide you with a JSON.


What are the most common uses cases of this API?

  1. Device optimization: Developers use the API to adapt their web content and user experiences based on the type of device detected in the user agent string. This ensures optimal display and functionality across multiple devices, including desktops, smartphones and tablets.

    Browser compatibility: By analyzing user agent strings, users can identify which browser and version visitors are using. This information helps ensure that websites and web applications are cross-browser compatible, minimizing rendering issues and functional discrepancies.

    Analytics and reporting: Companies leverage user agent parsing to obtain information about the devices and browsers used by visitors to their websites. This data serves as the basis for analytics and reporting, and provides valuable metrics for understanding audience demographics and behavior.

    Adaptive content delivery: User agent parsing enables dynamic content to be delivered based on the capabilities of the user's device and browser. Developers can deliver optimized content, such as high-resolution images for desktop users and compressed images for mobile users, to improve performance and user experience.

    Device detection: Beyond basic device types, the API helps identify specific device models, operating systems and manufacturers present in the user agent chain. This information is valuable for targeted marketing, device-specific feature enablement and personalized content delivery.


Are there any limitations to your plans?

5 request per second in all plans.

API Documentation


To use this endpoint you must enter the user agent information.


User Agent - Endpoint Features
Object Description
Request Body [Required] Json
Test Endpoint


    "ua": "Mozilla/5.0 (Linux; Android 12; Pixel 6 Build/SD1A.210817.023; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.71 Mobile Safari/537.36",
    "browser": {
        "name": "Chrome WebView",
        "version": "94.0.4606.71",
        "major": "94"
    "engine": {
        "name": "Blink",
        "version": "94.0.4606.71"
    "os": {
        "name": "Android",
        "version": "12"
    "device": {
        "vendor": "Google",
        "model": "Pixel 6",
        "type": "mobile"
    "cpu": {}


curl --location --request POST '' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Device User Agent Parser API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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To use this API, users must indicate the information of the user agent to structure in a JSON the information.

Device User Agent Parser API designed to parse and interpret user agent strings sent by web browsers.

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Zyla provides a wide range of integration methods for almost all programming languages. You can use these codes to integrate with your project as you need.

The API helps you tailor your web content and user experiences based on the specific devices used by visitors. This ensures optimal display and functionality across different devices, such as desktops, smartphones, and tablets.

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